Congratulations! Big step.
You've been here for five years now.
Today is your four year anniversary on the site!
You've been here for three years, thanks for sticking around!
You've chosen wisely.
Today is your two year anniversary here.
This is your one year anniversary. Thanks for hanging around.
You've received 5 likes -- guess you're doing something right.
Put a filter on it.
You've made your first post! Welcome!
Thank you for becoming a supporter!
You associated your account with Twitter. Um, @awesome!